10 Identity And Access Management Best Practices For Robust Digital Identity Protection

Identity and Access Management (IAM) enhances security by ensuring that only authorized humans and machines have access to sensitive information and resources. By implementing robust authentication and authorization mechanisms, IAM enables organizations to protect their data from unauthorized access, reduce the risk of data breaches, and maintain compliance with industry regulations The global IAM market size is estimated to grow from USD 15.7 billion in 2023 to USD 32.6 billion in 2028 at a CAGR of 15.6%, projecting a phenomenal growth trajectory.

With the increasing frequency and sophistication of cyberattacks, IAM serves as a vital line of defense in safeguarding confidential information, preventing identity theft, and mitigating the potential damage caused by unauthorized access.

Machine Identities are High-Value Targets for Cybercriminals

Machine identities, provided by digital certificates, cryptographic keys, and API tokens, have become increasingly valuable targets for cybercriminals. Some of the primary reasons are:

  • Privileged Access: Machine identities often possess privileged access to critical systems, applications, and data. Cybercriminals recognize this and target machine identities to gain unauthorized access to sensitive resources. By compromising a machine identity, attackers can bypass traditional authentication mechanisms and impersonate trusted entities within a network, enabling them to move laterally, escalate privileges, and carry out malicious activities undetected.
  • Encryption and Data Protection: Machine identities play a crucial role in securing communications and protecting data through encryption. Cybercriminals target machine identities to intercept and decrypt sensitive information. By obtaining private keys or tampering with digital certificates, attackers can decrypt encrypted data, compromise confidentiality, and potentially gain access to valuable intellectual property, financial information, or personal data.
  • Trust Exploitation: Machine identities are designed to establish trust within systems and networks. They are used to verify the authenticity and integrity of communication channels and entities. Cybercriminals exploit this trust by targeting machine identities to conduct phishing attacks, man-in-the-middle attacks, or distribute malware. By compromising trusted machine identities, attackers can deceive users or systems into believing they are interacting with legitimate entities, thereby gaining unauthorized access or tricking individuals into revealing sensitive information.
  • Compromising Infrastructure: Machine identities are also used to secure infrastructure components such as servers, routers, and IoT devices. Cybercriminals target these identities to gain control over critical infrastructure elements, enabling them to disrupt services, manipulate systems, or launch large-scale attacks such as distributed denial-of-service (DDoS) attacks. Compromised machine identities can be leveraged to gain unauthorized control and execute malicious actions with far-reaching consequences.
  • Illicit Activities and Monetization: Machine identities are sought after by cybercriminals for various illicit activities. Stolen or forged machine identities can be used to establish fraudulent websites, distribute counterfeit software or media, conduct phishing campaigns, launch ransomware attacks, or engage in other forms of cybercrime. These activities can result in financial gains for the attackers, whether through direct monetary extortion, selling stolen data, or leveraging compromised infrastructure for further criminal operations.

2023 EMA Report: SSL/TLS Certificate Security-Management and Expiration Challenges

To prevent the compromise of machine identities, organizations must adopt robust IAM practices, including the secure management of cryptographic keys and certificates. Regular monitoring, auditing, and rotation of machine identities are essential to detect and mitigate potential compromises promptly. Additionally, organizations should implement strong authentication and encryption protocols, regularly update software and firmware, and educate users about the risks associated with machine identity vulnerabilities.

IAM Best Practices for Strong Digital Identity Protection

  1. Robust Certificate Lifecycle Management: Certificate Lifecycle Management is an essential component of IAM that organizations should prioritize. It involves establishing a well-defined process for the issuance, renewal, revocation, and expiration tracking of digital certificates. By maintaining an inventory of issued certificates and implementing automated lifecycle operations and workflows, organizations can efficiently manage their certificates and trusted digital identities. Regular review and updates to certificate management processes ensure alignment with industry standards. Effective certificate lifecycle management helps organizations stay on top of certificate validity, promptly renew or revoke certificates as needed, and minimize the risk of weak or vulnerable certificates being exploited by attackers. By ensuring the proper management of digital certificates throughout their lifecycle, organizations can maintain the integrity and security of user, device, and machine identities and communications.
  2. Zero Trust Approach: Zero Trust is a modern security approach that leverages IAM to challenge the traditional perimeter-based security model. It assumes that no user or device should be inherently trusted, and access requests should be evaluated based on multiple factors such as user and machine identity, device health, location, and behavior. Implementing granular access controls and continuously monitoring user behavior allows organizations to detect anomalies and potential threats. By employing strong authentication mechanisms and encryption protocols, organizations can validate and secure access requests even in untrusted environments. The Zero Trust model emphasizes the principle of “never trust, always verify,” providing a more resilient and secure IAM framework that aligns with the evolving threat landscape.
  3. Multi-Factor Authentication (MFA): Multi-factor authentication is an essential component of IAM that adds an extra layer of security beyond traditional username-password combinations. By requiring users to authenticate using multiple factors such as passwords, public key infrastructure (PKI), biometrics, smart cards, or mobile tokens, organizations can significantly enhance the security of user and machine identities. MFA helps prevent unauthorized access even if passwords are compromised through techniques like phishing. Adaptive MFA, which adjusts authentication requirements based on risk factors and contextual information, further strengthens the IAM system by dynamically adapting the level of authentication needed based on the perceived risk associated with the access request.
  4. Strong Password Policy: A strong password policy is crucial for organizations to ensure the security of user accounts. It should include requirements for password complexity, expiration, and restrictions on password reuse. By enforcing these policies, organizations can minimize the risk of password-based attacks, such as brute force or dictionary attacks. Educating users about the importance of strong passwords and providing guidance on creating secure passwords is also essential. Organizations can facilitate secure password practices by implementing password management tools or encouraging the use of password managers, which generate and store complex passwords on behalf of users.
  5. Privileged Access Model: Privileged access model refers to the practice of limiting access to privileged accounts and resources within an organization. By implementing a least privilege model, organizations grant individuals only the access necessary to perform their specific job responsibilities. Regular reviews and adjustments of access privileges help ensure that users have appropriate levels of access based on their roles and responsibilities. Techniques such as privilege elevation and just-in-time access further enhance security by restricting access to sensitive resources only when required. Monitoring and logging privileged access activities facilitate auditing and detection of unauthorized activities, ensuring accountability and mitigating potential security risks associated with privileged accounts.

    The 2023 CISO’s Guide to Certificate Lifecycle Management (CLM)

  6. Automated Workflows: Automated workflows play a pivotal role in achieving IAM best practices. They facilitate efficient provisioning and de-provisioning of user accounts, simplify access request and approval processes, enable self-service capabilities for users, automate access reviews and certifications, enforce policy compliance, generate audit trails and reports, and overall enhance the efficiency, accuracy, and consistency of IAM operations. By leveraging automation, organizations can significantly improve their ability to manage user and machine identities and access, reduce manual effort, minimize errors, ensure compliance, and effectively address the complexities and challenges of modern IAM requirements.
  7. Key Rotation and Secure Key Storage: Regularly rotating cryptographic keys helps mitigate the risk of long-term exposure and potential compromise. By implementing a key rotation policy, organizations ensure that keys are refreshed within defined intervals, reducing the window of vulnerability. Secure key storage, such as using hardware security modules (HSMs) or secure key management systems, protects keys from unauthorized access or theft. By combining key rotation and secure storage, organizations can maintain the confidentiality and integrity of cryptographic keys, enhance the overall security posture of their IAM infrastructure, and safeguard sensitive information and resources.
  8. Certificate Audits and Provisioning: Certificate audits and provisioning are essential components of IAM best practices for secure machine identity management (MIM). Certificate audits enable organizations to regularly assess the validity, compliance, and integrity of issued certificates, mitigating risks associated with weak cryptography and expired or compromised certificates. Through audits, organizations can identify unauthorized or rogue certificates, ensuring the trustworthiness of their machine identities. Secure and policy-controlled provisioning, on the other hand, ensures that certificates are issued and managed in a secure and controlled manner, granting appropriate access privileges to machines. By implementing effective certificate audits and provisioning processes, organizations can maintain strong governance over machine identities, prevent unauthorized access, and enhance overall security in their digital environments.
  9. Policy Enforcement: Compliance and policy enforcement play a crucial role in implementing IAM best practices by establishing a framework for consistent and secure access management. Policy enforcement ensures that access requests and activities align with predefined policies, such as least privilege, segregation of duties, and regulatory requirements. By consistently enforcing these policies, organizations can reduce the risk of unauthorized access, data breaches, and policy violations. Compliance with industry regulations and standards further strengthens IAM practices by ensuring adherence to legal and industry-specific requirements, fostering data privacy, and enhancing overall security. Policy enforcement and compliance provide a structured approach to IAM, promoting consistent access controls, minimizing risks, and instilling confidence in the security and integrity of digital identities.
  10. Training and Awareness: Security awareness and training are instrumental in achieving IAM best practices for robust digital identity protection. By educating employees, stakeholders, and users about the importance of digital identity protection, organizations can foster a culture of security and ensure that individuals understand their roles and responsibilities in maintaining secure access. Training sessions can provide in-depth knowledge of IAM policies, procedures, and best practices.

Talk to an expert to know more about AppViewX CERT+, which provides automated certificate lifecycle management to enable policy-controlled machine identity management.


  • certificate lifecycle management
  • Certificate Management
  • Identity and Access Management
  • machine identity management
  • Robust Digital Identity
  • Zero Trust

About the Author

Debarati Biswas

Senior Specialist- Product Marketing

A content creator and a lifelong learner with an ongoing curiosity. She pens insightful resources to address the pain points of the readers and prospective buyers and help them make well-informed decisions.

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